542145524647605 has 96 divisors (see below), whose sum is σ = 952403492081664. Its totient is φ = 263136677336064.

The previous prime is 542145524647553. The next prime is 542145524647669. The reversal of 542145524647605 is 506746425541245.

It is not a de Polignac number, because 542145524647605 - 2⁹ = 542145524647093 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 881304 + ... + 32940366.

It is an arithmetic number, because the mean of its divisors is an integer number (9920869709184).

Almost surely, 2^{542145524647605} is an apocalyptic number.

It is an amenable number.

542145524647605 is a deficient number, since it is larger than the sum of its proper divisors (410257967434059).

542145524647605 is a wasteful number, since it uses less digits than its factorization.

542145524647605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32059235 (or 32059218 counting only the distinct ones).

The product of its (nonzero) digits is 161280000, while the sum is 60.

The spelling of 542145524647605 in words is "five hundred forty-two trillion, one hundred forty-five billion, five hundred twenty-four million, six hundred forty-seven thousand, six hundred five".